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SN74AS181ADWG4

SN74AS181ADWG4
Mfr. #:
SN74AS181ADWG4
설명:
Arithmetic Logic Unit - ALU Arithmtic Logic Unit Function Genratrs
수명 주기:
이 제조업체의 새 제품입니다.
데이터 시트:
SN74AS181ADWG4 데이터 시트
배달:
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지불:
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ECAD Model:
추가 정보:
SN74AS181ADWG4 추가 정보 SN74AS181ADWG4 Product Details
제품 속성
속성 값
제조사:
텍사스 인스트루먼트
제품 카테고리:
산술 논리 장치 - ALU
RoHS:
Y
높은 수준의 출력 전류:
- 3 mA
저수준 출력 전류:
48 mA
전파 지연 시간:
11 ns
공급 전압 - 최대:
5.5 V
공급 전압 - 최소:
4.5 V
최소 작동 온도:
0 C
최대 작동 온도:
+ 70 C
패키지/케이스:
SOIC-24
포장:
튜브
키:
2.35 mm
길이:
15.4 mm
회로 수:
1
너비:
7.52 mm
상표:
텍사스 인스트루먼트
논리 제품군:
SN54AS181B
장착 스타일:
SMD/SMT
비트 수:
4
작동 공급 전압:
5 V
상품 유형:
산술 논리 장치 - ALU
공장 팩 수량:
1
하위 카테고리:
논리 IC
단위 무게:
0.038731 oz
Tags
SN74AS181AD, SN74AS181, SN74AS18, SN74AS1, SN74AS, SN74A, SN74, SN7
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***i-Key
IC ARITHMETIC LOGIC UNIT 24SOIC
***ark
Specialty Logic IC; Logic Family:AS; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Package/Case:24-SOIC; No. of Pins:24; Operating Temperature Range:0°C to +70°C; Input Type:TTL; Leaded Process Compatible:Yes; Output Type:TTL ;RoHS Compliant: Yes
***as Instruments
The SN54AS181B and SN74AS181A arithmetic logic units (ALUs)/function generators have a complexity of 75 equivalent gates on a monolithic chip. These circuits perform 16 binary arithmetic operations on two 4-bit words as shown in Tables1 and 2. These operations are selected by the four function-select (S0, S1, S2, and S3) lines and include addition, subtraction, decrement, and straight transfer. When performing arithmetic manipulations, the internal carries are enabled by applying a low-level voltage to the mode-control (M) input. A full carry look-ahead scheme is used to generate fast, simultaneous carry by means of two cascade (G\ and P\) outputs for the four bits in the package. If high speed is not important, a ripple-carry (Cn) input and a ripple-carry (Cn + 4) output are available. The ripple-carry delay is minimized so that arithmetic manipulations for small word lengths can be performed without external circuitry. The SN54AS181B and SN74AS181A accommodate active-high or active-low data if the pin designations are interpreted as follows: Subtraction is accomplished by 1's complement addition where the 1's complement of the subtrahend is generated internally. The resultant output is A-B-1, which requires an end-around or forced carry to provide A-B. The SN54AS181B and SN74AS181A also can be used as comparators. The A = B output is internally decoded from the function (F0, F1, F2, F3) outputs so that when two words of equal magnitude are applied at the A and B inputs, the output assumes a high level to indicate equality (A = B). The ALU must be in the subtract mode with Cn = H when performing this comparison. The A = B output is open collector so that it can be wire-AND connected to give a comparison for more than four bits. Cn + 4 also can be used to supply relative magnitude information. The ALU must be placed in the subtract mode by placing the function-select inputs S3, S2, S1, and S0 at L, H, H, and L, respectively. These circuits not only incorporate all of the designer's requirements for arithmetic operations, but also provide 16 possible functions of two Boolean variables without using external circuitry. These logic functions are selected by the four function-select inputs with M at a high level to disable the internal carry. The 16 logic functions are detailed in Tables 1 and 2 and include exclusive-OR, NAND, AND, NOR, and OR functions. The SN54AS181B is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74AS181A is characterized for operation from 0°C to 70°C.
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유효성
재고:
Available
주문 시:
1000
수량 입력:
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